Element block pseudo-class :active generated with background z-index auto margin 0px box-shadow 1px 1px 1px rgba(0,0,0,0.3) position static line-height 1 height auto display block transition padding 20px font-weight normal box-sizing content-box border 0px rgba(0,0,0,1) solid float none transform width 160px border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default font-size 16px overflow hidden